Year	% of GDP
1967	11.3616406082191
1968	10.222569980724217
1969	11.203632072552818
1970	12.469555617669808
1971	13.415911006723801
1972	10.029272804745856
1973	10.187919348141964
1974	12.723725314734768
1975	9.661185013586406
1976	11.005708015931187
1977	12.755695068087494
1978	11.597984824911055
1979	11.992421178423445
1980	14.80687434938715
1981	13.299784945839557
1982	14.255043144415524
1983	15.926094883090416
1984	19.064372433231455
1985	17.016538064325204
1986	14.491238879224522
1987	15.561726454991012
1988	14.580720756198188
1989	15.810193859912758
1990	15.653591808212418
1991	16.211268567537864
1992	15.629103351586018
1993	15.853504766187118
1994	19.442775353568493
1995	19.561067659239747
1996	18.87147761384103
1997	23.826559293559097
1998	21.253952516843185
1999	20.25098891975063
2000	22.478590456810334
2001	26.312437067583904
2002	28.08745381366079
2003	25.76934039259435
2004	23.677184706524123
2005	22.988869341890165
2006	28.428945099238128
2007	24.15211115070053
2008	25.14418999540371
2009	21.71331369372682
2010	22.837170177232142
2011	22.72617791617114
2012	27.856340005919062
2013	24.94054025954964
2014	22.555486956971677
2015	24.043708511827397
2016	23.44291297492816
2017	22.214093937541225
2018	24.522374401696748
2019	25.705291132768636
2020	30.656630050643464
2021	27.867145923519764
2022	28.993852232950996
2023	28.192217129587462